Preparation materials: flour, oil, salt, yeast, green onions.

I. Add yeast and 130g of lukewarm water to the flour and mix well to form a dough for fermentation.

Second: Allow the dough to rise until it is about double in size.

Three: Roll out the dough into a large rectangular piece and drizzle with oil to coat evenly.

four: Sprinkle evenly with salt.

V. Sprinkle evenly with chopped scallions.

VI. Roll up from top to bottom.

seven: then cut into equal pieces.

VIII: Use chopsticks to make marks in the center.

9: Place in a steamer and continue to ferment for 15 minutes.

X. Steam over high heat for 15 minutes and turn off the heat, then simmer for 3 minutes after steaming and open the lid.